#root {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem;
  text-align: center;
}

.logo {
  height: 6em;
  padding: 1.5em;
  will-change: filter;
  transition: filter 300ms;
}
.logo:hover {
  filter: drop-shadow(0 0 2em #646cffaa);
}
.logo.react:hover {
  filter: drop-shadow(0 0 2em #61dafbaa);
}

@keyframes logo-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: no-preference) {
  a:nth-of-type(2) .logo {
    animation: logo-spin infinite 20s linear;
  }
}

.card {
  padding: 2em;
}

.read-the-docs {
  color: #888;
}
.container {
  width: 100%;
  min-height: 100vh;
  background-color: #f5f5f5;
  padding: 20px;
  font-family: 'Microsoft YaHei', Arial, sans-serif;
}

.header {
  text-align: center;
  margin-bottom: 30px;
}

.chinese-title {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 5px;
  color: #333;
}

.english-title {
  font-size: 16px;
  color: #666;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.nav-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 30px;
}

.nav-button {
  padding: 8px 15px;
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  color: #333;
}

.main-title {
  text-align: center;
  font-size: 28px;
  font-weight: bold;
  margin-bottom: 30px;
  color: #1a73e8;
}

.options {
  display: flex;
  justify-content: center;
  gap: 30px;
}

.option-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.option-circle {
  width: 80px;
  height: 80px;
  background-color: #fff;
  border-radius: 50%;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.option-item span {
  font-size: 16px;
  color: #333;
}